Growing community of inventors

Tananger, Norway

Egil Josefsen

Average Co-Inventor Count = 4.00

ph-index = 1

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 0

Egil JosefsenKristian Harestad (1 patent)Egil JosefsenMagnar Tveiten (1 patent)Egil JosefsenDavid Hutchinson (1 patent)Egil JosefsenEgil Josefsen (1 patent)Kristian HarestadKristian Harestad (12 patents)Magnar TveitenMagnar Tveiten (11 patents)David HutchinsonDavid Hutchinson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Petroleum Technology Company (1 from 1 patent)

2. Petroleum Technology Company As (30 patents)


1 patent:

1. 8136601 - Power lift generator

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as of
12/20/2025
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